Читать книгу Laboratory Methods for Soil Health Analysis, Volume 2 - Группа авторов - Страница 4

1 Chapter 2Figure 2.1 Error components associated with soil property assessment.Figure 2.2 Generalized approaches to field evaluations of soil health. USDA‐...

2 Chapter 4Figure 4.1 Soil sampling probes for aggregate size distribution. (A) Represe...Figure 4.2 Dimensional diagram of the modified Yoder (1936) wet‐sieving appa...Figure 4.3 The water level on the top sieve of the nest of sieves that conta...Figure 4.4 The placement of the submerged nest sieves containing soils and t...Figure 4.5 Soil macroaggregates on an individual sieve places in the aluminu...Figure 4.6 Dried soil macroaggregates and microaggregates at 105 ^oC for 24 h...

3 Chapter 5Figure 5.1 Clockwise steps for measuring soil infiltration rate using a sing...Figure 5.2 Constant‐head pressure infiltrometer in sugarbeet plots.Figure 5.3 Clockwise soil core sampling processes for measuring soil bulk de...

4 Chapter 6Figure 6.1 Salinity accumulation in the upper soil layer (0–90 cm) under the...Figure 6.2 Soil salinization around Kfar Baruch reservoir, Israel (Google Ea...Figure 6.3 Soil salinity (EC) distribution with depth around the Kfar Yehosh...Figure 6.4 Major ions profiles in the shallow unsaturated zone due to calcit...

5 Chapter 7Figure 7.1 Hypothetical function describing increasing soil‐extractable macr...

6 Chapter 8Figure 8.1 Cumulative C mineralization as a function of incubation time for ...Figure 8.2 Variations in lab protocol for short‐term C mineralization.Note: ...

7 Chapter 9Figure 9.1 Conceptual pools and potential methods to measure active soil org...Figure 9.2 A proposed soil health reporting framework using two recommended ...Figure 9.3 Overview of permanganate‐oxidizable C method.Figure 9.4 Declines in potassium permanganate (KMnO₄) stock solution pH that...

8 Chapter 10Figure 10.1 Flow chart of the ACE protein extraction, clarification and quan...Figure 10.2 A 96‐well reaction plate loaded with samples, blanks and standar...

9 Chapter 11Figure 11.1 Enzymatic activity in soil can be affected by management related...Figure 11.2 Enzyme activities commonly evaluated in agricultural soils inclu...Figure 11.3 General steps for an individual assay to measure activities of β...Figure 11.4 A conceptual overview of the methods used to determine: (a) micr...

10 Chapter 12Figure 12.1 The comparison of extraction procedures for phospholipid fatty a...Figure 12.2 Soil samples on end‐over‐end shaker.Figure 12.3 Capped samples in SpeedVac rotor using one half of the spaces.Figure 12.4 Aspirating aqueous layer from top of each sample.Figure 12.5 Washing wells with solvents using dedicated dispensette.Figure 12.6 Total phospholipid fatty acids and by microbial group for native...Figure 12.7 (a) Fungi to bacteria ratio; (b) Gram positive to Gram negative ...Figure 12.8 EL‐FAME profiles before and after grassland conversion tillage c...

11 Chapter 13Figure 13.1 Typical qPCR standard curves using two replicates per concentrat...